نتایج جستجو برای: nuclear model

تعداد نتایج: 2311126  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1382

‏‎the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...

Journal: :asia oceania journal of nuclear medicine and biology 0
raihan hussain national institute of nuclear medicine and allied sciences, dhaka, bangladesh

bangladesh is one of the smaller states in asia. but it has a long and rich history of nuclear medicine for over sixty years. the progress in science and technology is always challenging in a developing country. in 1958, work for the first nuclear medicine facility was commenced in dhaka in a tin-shed known as ‘radioisotope centre’ and was officially inaugurated in 1962. since the late 50s of t...

Journal: :journal of biomedical physics and engineering 0
sh banari bahnamiri

background: obtaining high quality images in single photon emission tomography (spect) device  is the most important goal in nuclear medicine. because if image quality is low, the possibility of making a mistake in diagnosing and treating the patient will rise. studying effective factors in spatial resolution of imaging systems is thus deemed to be vital. one of the most important factors in sp...

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